Home / 124,035.60-186,053.40-74,269.20

Finding the Fourth Proportional to 124,035.60, 186,053.40 and 74,269.20

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Solution

The fourth proportional to 124,035.60, 186,053.40 and 74,269.20 is: 111,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,035.60 : 186,053.40 = 74,269.20 : x
  2. Step 2: Convert to fraction form
    124,035.60/186,053.40 = 74,269.20/x
  3. Step 3: Cross multiply
    124,035.60x = 186,053.40 × 74,269.20
  4. Step 4: Simplify right side
    124,035.60x = 13,818,037,175.28
  5. Step 5: Solve for x
    x = 13,818,037,175.28/124,035.60
  6. Step 6: Final answer
    x = 111,403.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.